Raytek Thermometers » thermometer http://www.raytekthermometer.org Raytek Thermometers - the best you can get Sat, 27 Mar 2010 17:35:59 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 How to make a thermometer http://www.raytekthermometer.org/thermometer/how-to-make-a-thermometer http://www.raytekthermometer.org/thermometer/how-to-make-a-thermometer#comments Wed, 10 Sep 2008 00:36:37 +0000 admin http://www.raytekthermometer.org/thermometer/how-to-make-a-thermometer Slightly off on a tangent, but interesting…

How to Make a Thermometer
By James Hunt

A thermometer is an instrument that measures the temperature. Depending on what country you live in, temperature is measured either in a scale called Fahrenheit or Celsius (sometimes called Centigrade). There are thermometers for food, humans, and the weather. You can even make a thermometer yourself, it’s simple.

Here’s what you’ll need:
- Water (plain old tap water will do just fine for this experiment.)
- Rubbing alcohol
- 1 clear plastic bottle with a narrow neck
- Food coloring in your choice of color
- See-through plastic drinking straw
- Modeling clay.

see more below…

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